FIGURE 22-8
-A long wire carrying a 2.0-A current is placed along the y-axis. What is the magnitude of the magnetic field at a point 0.60 m along the x-axis?

Question

FIGURE 22-8 
-A long wire carrying a 2.0-A current is placed along the y-axis. What is the magnitude of the magnetic field at a point 0.60 m along the x-axis?

Quizplus · Accepted Answer

The magnetic field due to a long straight current-carrying wire is given by B = (μ₀I)/(2πr). Substituting μ₀ = 4π × 10⁻⁷ T·m/A, I = 2.0 A, and r = 0.60 m, we get B = (4π × 10⁻⁷ T·m/A × 2.0 A)/(2π × 0.60 m) = 6.7 × 10⁻⁷ T.

FIGURE 22-8 -A Long Wire Carrying a 2.0-A Current Is Placed Along